.header .nav {
    width: 60%;
    margin: auto;
    font-size: 12px;
    color: #5f5f5f;
    position: relative;
    height: 20px;
    padding: 5px 0;
}
.header .nav .nav-item{
    display: inline-block;
}
.header .header-menu {
    background: white;
    padding: 30px 0;
}
.header .header-menu .body{
    position: relative;
    height: 20px;
    width: 60%;
    margin: auto;
    color: black;
}
.header .left {
    float: left;
}
.header .right {
    float: right;
    text-align: right
}
.header .ma-right10 {
    margin-left: 10px
}